September 8, 1964 



NIMBUS 1-HRIR 

 September 16, 1964 



Figure 5 AVCS and HRIR pictures of an 



iceberg in the Weddell Sea - 

 Nimbus 1 



The first known satellite pictures of an iceberg were taken in September 1964 

 by Nimbus 1. The iceberg showed clearly on both television (AVCS) and infrared imagery 

 (HRIR). Note the contrast shown by the HRIR imagery. (Popham and Samuelson) 



